Simplify the expression. 
Definitions:
Discount Factor
A multiplier for future cash flows to convert them into present value, reflecting the time value of money.
Contribution Margin
The amount remaining from sales revenue after variable costs are deducted, indicating how much revenue is contributing to fixed costs and profit.
Incremental Annual Net Cash Inflows
The additional cash that flows into a business on an annual basis as a result of a specific action or investment.
Investment Project
A project or activity requiring capital expenditure with the expectation of achieving future profits or benefits.
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